- move package objects into their respective package.scala file in the
right directories
- make implicit conversion as well as explicit facility available under
the same name akka.patterns.ask for easy import
- revert the logic to produce the Promise for the PromiseActorRef within
the ActorRefProvider; supporting wrapping of external Promises does
not seem to justify doing needless extra allocations in case of
failure
- add scaladocs
- factor out “def provider” into trait ActorRefWithProvider, as it
didn’t feel right attaching this information “by exception” to
MinimalActorRef
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